Fisher Sensor (image) Purdue University Caption These color-enhanced scanning electron microscope images show nanosheets resembling tiny rose petals. The nanosheets are key components of a new type of biosensor that can detect minute concentrations of glucose in saliva, tears and urine. The technology might eventually help to eliminate or reduce the frequency of using pinpricks for diabetes testing. (Jeff Goecker, Purdue University) A publication-quality image is available at http://news.uns.purdue.edu/images/2012/fisher-sensor.jpg Credit Jeff Goecker, Purdue University Usage Restrictions None Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.